[Free-water observations on tilapias (pisces, Cichlidae) in East Africa].
D000223:Adaptation, Psychological; D000351:Africa, Eastern; D000367:Age Factors; D000374:Aggression; D000818:Animals; D002940:Circadian Rhythm; D003441:Crowding; D004777:Environment; D005399:Fishes; D006801:Humans; D009425:Nesting Behavior; D012737:Sex Factors; D013045:Species Specificity; D013731:Territoriality
Freiwasserbeobachtungen an Tilapien (Pisces, Cichlidae) in Ostafrika.